Portable test instrument



FIG. 1 is a first oblique view of a first variant of the portable test instrument, taken from the front and left side, showing our new design;

FIG. 2 is another oblique view thereof, taken from the front and right side;

FIG. 3 is a front elevation view thereof,

FIG. 4 is a rear elevation view thereof,

FIG. 5 is a bottom plan view thereof,

FIG. 6 is a top plan view thereof,

FIG. 7 is a left side elevation view thereof, and

FIG. 8 is a right side elevation view thereof,

FIG. 9 is a first oblique view of a second variant of the portable test instrument, taken from the front and left side, showing our new design;

FIG. 10 is another oblique view thereof, taken from the front and right side;

FIG. 11 is a front elevation view thereof,

FIG. 12 is a rear elevation view thereof,

FIG. 13 is a bottom plan view thereof,

FIG. 14 is a top plan view thereof,

FIG. 15 is a left side elevation view thereof; and,

FIG. 16 is a right side elevation view thereof.

In all figures, solid line shading is used to better illustrate the three-dimensional ornamental features of the design.

In FIGS. 1 to 16, lightweight broken lines are included to show unclaimed subject matter and to delimit claimed solid line portions of the design from unclaimed subject-matter.

In FIGS. 9 to 16, line patterns are used as symbols in accordance with MPEP 608.02 IX to illustrate associated colors. More particularly, the portions of the design shown with a horizontal solid line pattern are of a tone of blue color, whereas the portions of the design shown with a horizontal stippled line pattern are of a dark grey color. 

CLAIM The ornamental design for a portable test instrument, as shown and described. 